media: i2c: ov01a10: Add power on/off sequencing support

So far the ov01a10 driver has only been used on laptops with an IVSC chip
where the IVSC chip controls the power on/off sequencing of the sensor.

But there are also designs with an ov01a10 sensor where the kernel needs
to directly take care of the power-sequencing, controlling clks, regulators
and GPIOs. Add support for these designs.

The 2 ms minimum reset assertion time is taken from other Omnivision sensor
drivers like the ov5675. The 20 ms delay after reset de-assert comes from
the out of tree ov01a1s driver.

Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

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